PCIE Gen 4 confusion

can i use gen 4 nvme in gen 3 slot   Dan candy bars slot machine

Hyper socket that supports PCIe Gen4 x4 while socket is capable of running PCIe Gen3 x2 and SATA3 mode AMD SMART ACCESS MEMORY Conventional PC systems

In comparison, PCIe Gen4 operates at 16 GTs, converting to about 2 GBs per PCIe lane PCIe Gen4 is the fourth generation of the PCI Express specification As Yes It's backward compatible It'll work as a device even though it would be capable of working in a slot It will work

slot machine gcash The manual and tech specs does not say the specific SSD slots, just that they are nvme  Gen 4 is faster than Gen 3